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Finding the Third Proportional to 287,146,032 and 626,262,474

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Solution

The third proportional to 287,146,032 and 626,262,474 is: 1,365,871,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,146,032 : 626,262,474 = 626,262,474 : x
  2. Step 2: Convert to fraction form
    287,146,032/626,262,474 = 626,262,474/x
  3. Step 3: Cross multiply
    287,146,032x = 626,262,474 × 626,262,474
  4. Step 4: Simplify right side
    287,146,032x = 392,204,686,340,600,704
  5. Step 5: Solve for x
    x = 392,204,686,340,600,704/287,146,032
  6. Step 6: Final answer
    x = 1,365,871,865.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.