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Finding the Third Proportional to 1,276,879,585.50 and 1,924,452,472.50

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Solution

The third proportional to 1,276,879,585.50 and 1,924,452,472.50 is: 2,900,443,676.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,879,585.50 : 1,924,452,472.50 = 1,924,452,472.50 : x
  2. Step 2: Convert to fraction form
    1,276,879,585.50/1,924,452,472.50 = 1,924,452,472.50/x
  3. Step 3: Cross multiply
    1,276,879,585.50x = 1,924,452,472.50 × 1,924,452,472.50
  4. Step 4: Simplify right side
    1,276,879,585.50x = 3,703,517,318,911,363,072
  5. Step 5: Solve for x
    x = 3,703,517,318,911,363,072/1,276,879,585.50
  6. Step 6: Final answer
    x = 2,900,443,676.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.