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Finding the Third Proportional to 18,047,511 and 38,971,523

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Solution

The third proportional to 18,047,511 and 38,971,523 is: 84,154,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047,511 : 38,971,523 = 38,971,523 : x
  2. Step 2: Convert to fraction form
    18,047,511/38,971,523 = 38,971,523/x
  3. Step 3: Cross multiply
    18,047,511x = 38,971,523 × 38,971,523
  4. Step 4: Simplify right side
    18,047,511x = 1,518,779,604,939,529
  5. Step 5: Solve for x
    x = 1,518,779,604,939,529/18,047,511
  6. Step 6: Final answer
    x = 84,154,518.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.