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Finding the Third Proportional to 131,062,726.50 and 218,411,686.50

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Solution

The third proportional to 131,062,726.50 and 218,411,686.50 is: 363,975,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062,726.50 : 218,411,686.50 = 218,411,686.50 : x
  2. Step 2: Convert to fraction form
    131,062,726.50/218,411,686.50 = 218,411,686.50/x
  3. Step 3: Cross multiply
    131,062,726.50x = 218,411,686.50 × 218,411,686.50
  4. Step 4: Simplify right side
    131,062,726.50x = 47,703,664,799,774,280
  5. Step 5: Solve for x
    x = 47,703,664,799,774,280/131,062,726.50
  6. Step 6: Final answer
    x = 363,975,831.07

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.