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Finding the Third Proportional to 90,187,032 and 197,610,792

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Solution

The third proportional to 90,187,032 and 197,610,792 is: 432,989,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187,032 : 197,610,792 = 197,610,792 : x
  2. Step 2: Convert to fraction form
    90,187,032/197,610,792 = 197,610,792/x
  3. Step 3: Cross multiply
    90,187,032x = 197,610,792 × 197,610,792
  4. Step 4: Simplify right side
    90,187,032x = 39,050,025,114,867,264
  5. Step 5: Solve for x
    x = 39,050,025,114,867,264/90,187,032
  6. Step 6: Final answer
    x = 432,989,358.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.