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Finding the Third Proportional to 4,712,871 and 7,372,572

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Solution

The third proportional to 4,712,871 and 7,372,572 is: 11,533,270.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,871 : 7,372,572 = 7,372,572 : x
  2. Step 2: Convert to fraction form
    4,712,871/7,372,572 = 7,372,572/x
  3. Step 3: Cross multiply
    4,712,871x = 7,372,572 × 7,372,572
  4. Step 4: Simplify right side
    4,712,871x = 54,354,817,895,184
  5. Step 5: Solve for x
    x = 54,354,817,895,184/4,712,871
  6. Step 6: Final answer
    x = 11,533,270.89

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.