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Finding the Third Proportional to 28,689,984 and 61,913,808

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Solution

The third proportional to 28,689,984 and 61,913,808 is: 133,611,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689,984 : 61,913,808 = 61,913,808 : x
  2. Step 2: Convert to fraction form
    28,689,984/61,913,808 = 61,913,808/x
  3. Step 3: Cross multiply
    28,689,984x = 61,913,808 × 61,913,808
  4. Step 4: Simplify right side
    28,689,984x = 3,833,319,621,060,864
  5. Step 5: Solve for x
    x = 3,833,319,621,060,864/28,689,984
  6. Step 6: Final answer
    x = 133,611,772.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.