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Finding the Third Proportional to 38,406,890 and 56,152,215

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Solution

The third proportional to 38,406,890 and 56,152,215 is: 82,096,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406,890 : 56,152,215 = 56,152,215 : x
  2. Step 2: Convert to fraction form
    38,406,890/56,152,215 = 56,152,215/x
  3. Step 3: Cross multiply
    38,406,890x = 56,152,215 × 56,152,215
  4. Step 4: Simplify right side
    38,406,890x = 3,153,071,249,406,225
  5. Step 5: Solve for x
    x = 3,153,071,249,406,225/38,406,890
  6. Step 6: Final answer
    x = 82,096,500.12

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.