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Finding the Third Proportional to 124,928,109 and 186,657,331.50

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Solution

The third proportional to 124,928,109 and 186,657,331.50 is: 278,888,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,928,109 : 186,657,331.50 = 186,657,331.50 : x
  2. Step 2: Convert to fraction form
    124,928,109/186,657,331.50 = 186,657,331.50/x
  3. Step 3: Cross multiply
    124,928,109x = 186,657,331.50 × 186,657,331.50
  4. Step 4: Simplify right side
    124,928,109x = 34,840,959,402,700,892
  5. Step 5: Solve for x
    x = 34,840,959,402,700,892/124,928,109
  6. Step 6: Final answer
    x = 278,888,071.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.