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Finding the Third Proportional to 15,641,210 and 32,712,490

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Solution

The third proportional to 15,641,210 and 32,712,490 is: 68,415,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,210 : 32,712,490 = 32,712,490 : x
  2. Step 2: Convert to fraction form
    15,641,210/32,712,490 = 32,712,490/x
  3. Step 3: Cross multiply
    15,641,210x = 32,712,490 × 32,712,490
  4. Step 4: Simplify right side
    15,641,210x = 1,070,107,002,000,100
  5. Step 5: Solve for x
    x = 1,070,107,002,000,100/15,641,210
  6. Step 6: Final answer
    x = 68,415,870.77

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.