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Finding the Third Proportional to 153,374 and 328,070

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Solution

The third proportional to 153,374 and 328,070 is: 701,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,374 : 328,070 = 328,070 : x
  2. Step 2: Convert to fraction form
    153,374/328,070 = 328,070/x
  3. Step 3: Cross multiply
    153,374x = 328,070 × 328,070
  4. Step 4: Simplify right side
    153,374x = 107,629,924,900
  5. Step 5: Solve for x
    x = 107,629,924,900/153,374
  6. Step 6: Final answer
    x = 701,748.18

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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.