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Finding the Third Proportional to 28,710,387 and 63,000,921

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Solution

The third proportional to 28,710,387 and 63,000,921 is: 138,246,692.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,387 : 63,000,921 = 63,000,921 : x
  2. Step 2: Convert to fraction form
    28,710,387/63,000,921 = 63,000,921/x
  3. Step 3: Cross multiply
    28,710,387x = 63,000,921 × 63,000,921
  4. Step 4: Simplify right side
    28,710,387x = 3,969,116,046,848,241
  5. Step 5: Solve for x
    x = 3,969,116,046,848,241/28,710,387
  6. Step 6: Final answer
    x = 138,246,692.63

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.