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Finding the Third Proportional to 70,569,428 and 152,865,309

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Solution

The third proportional to 70,569,428 and 152,865,309 is: 331,132,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,569,428 : 152,865,309 = 152,865,309 : x
  2. Step 2: Convert to fraction form
    70,569,428/152,865,309 = 152,865,309/x
  3. Step 3: Cross multiply
    70,569,428x = 152,865,309 × 152,865,309
  4. Step 4: Simplify right side
    70,569,428x = 23,367,802,695,665,480
  5. Step 5: Solve for x
    x = 23,367,802,695,665,480/70,569,428
  6. Step 6: Final answer
    x = 331,132,097.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.