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Finding the Third Proportional to 71,630,172 and 153,480,924

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Solution

The third proportional to 71,630,172 and 153,480,924 is: 328,861,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,630,172 : 153,480,924 = 153,480,924 : x
  2. Step 2: Convert to fraction form
    71,630,172/153,480,924 = 153,480,924/x
  3. Step 3: Cross multiply
    71,630,172x = 153,480,924 × 153,480,924
  4. Step 4: Simplify right side
    71,630,172x = 23,556,394,031,893,776
  5. Step 5: Solve for x
    x = 23,556,394,031,893,776/71,630,172
  6. Step 6: Final answer
    x = 328,861,335.58

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.