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Finding the Third Proportional to 56,871,972 and 124,864,488

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Solution

The third proportional to 56,871,972 and 124,864,488 is: 274,144,535.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871,972 : 124,864,488 = 124,864,488 : x
  2. Step 2: Convert to fraction form
    56,871,972/124,864,488 = 124,864,488/x
  3. Step 3: Cross multiply
    56,871,972x = 124,864,488 × 124,864,488
  4. Step 4: Simplify right side
    56,871,972x = 15,591,140,363,502,144
  5. Step 5: Solve for x
    x = 15,591,140,363,502,144/56,871,972
  6. Step 6: Final answer
    x = 274,144,535.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.