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Finding the Third Proportional to 60,071,886 and 90,267,780

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Solution

The third proportional to 60,071,886 and 90,267,780 is: 135,642,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,071,886 : 90,267,780 = 90,267,780 : x
  2. Step 2: Convert to fraction form
    60,071,886/90,267,780 = 90,267,780/x
  3. Step 3: Cross multiply
    60,071,886x = 90,267,780 × 90,267,780
  4. Step 4: Simplify right side
    60,071,886x = 8,148,272,106,128,400
  5. Step 5: Solve for x
    x = 8,148,272,106,128,400/60,071,886
  6. Step 6: Final answer
    x = 135,642,022.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.