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Finding the Third Proportional to 59,867,580 and 129,315,192

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Solution

The third proportional to 59,867,580 and 129,315,192 is: 279,323,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,867,580 : 129,315,192 = 129,315,192 : x
  2. Step 2: Convert to fraction form
    59,867,580/129,315,192 = 129,315,192/x
  3. Step 3: Cross multiply
    59,867,580x = 129,315,192 × 129,315,192
  4. Step 4: Simplify right side
    59,867,580x = 16,722,418,881,996,864
  5. Step 5: Solve for x
    x = 16,722,418,881,996,864/59,867,580
  6. Step 6: Final answer
    x = 279,323,448.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.