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Finding the Third Proportional to 59,378,580 and 91,941,120

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Solution

The third proportional to 59,378,580 and 91,941,120 is: 142,360,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378,580 : 91,941,120 = 91,941,120 : x
  2. Step 2: Convert to fraction form
    59,378,580/91,941,120 = 91,941,120/x
  3. Step 3: Cross multiply
    59,378,580x = 91,941,120 × 91,941,120
  4. Step 4: Simplify right side
    59,378,580x = 8,453,169,546,854,400
  5. Step 5: Solve for x
    x = 8,453,169,546,854,400/59,378,580
  6. Step 6: Final answer
    x = 142,360,587.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.