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Finding the Third Proportional to 40,492,901 and 87,130,897

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Solution

The third proportional to 40,492,901 and 87,130,897 is: 187,484,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492,901 : 87,130,897 = 87,130,897 : x
  2. Step 2: Convert to fraction form
    40,492,901/87,130,897 = 87,130,897/x
  3. Step 3: Cross multiply
    40,492,901x = 87,130,897 × 87,130,897
  4. Step 4: Simplify right side
    40,492,901x = 7,591,793,212,024,609
  5. Step 5: Solve for x
    x = 7,591,793,212,024,609/40,492,901
  6. Step 6: Final answer
    x = 187,484,547.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.