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Finding the Third Proportional to 71,946,897 and 158,239,479

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Solution

The third proportional to 71,946,897 and 158,239,479 is: 348,030,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946,897 : 158,239,479 = 158,239,479 : x
  2. Step 2: Convert to fraction form
    71,946,897/158,239,479 = 158,239,479/x
  3. Step 3: Cross multiply
    71,946,897x = 158,239,479 × 158,239,479
  4. Step 4: Simplify right side
    71,946,897x = 25,039,732,714,191,440
  5. Step 5: Solve for x
    x = 25,039,732,714,191,440/71,946,897
  6. Step 6: Final answer
    x = 348,030,752.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.