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Finding the Third Proportional to 70,721,856 and 152,325,792

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Solution

The third proportional to 70,721,856 and 152,325,792 is: 328,090,186.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721,856 : 152,325,792 = 152,325,792 : x
  2. Step 2: Convert to fraction form
    70,721,856/152,325,792 = 152,325,792/x
  3. Step 3: Cross multiply
    70,721,856x = 152,325,792 × 152,325,792
  4. Step 4: Simplify right side
    70,721,856x = 23,203,146,908,427,264
  5. Step 5: Solve for x
    x = 23,203,146,908,427,264/70,721,856
  6. Step 6: Final answer
    x = 328,090,186.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.