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Finding the Third Proportional to 38,000,080 and 79,732,640

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Solution

The third proportional to 38,000,080 and 79,732,640 is: 167,296,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,000,080 : 79,732,640 = 79,732,640 : x
  2. Step 2: Convert to fraction form
    38,000,080/79,732,640 = 79,732,640/x
  3. Step 3: Cross multiply
    38,000,080x = 79,732,640 × 79,732,640
  4. Step 4: Simplify right side
    38,000,080x = 6,357,293,881,369,600
  5. Step 5: Solve for x
    x = 6,357,293,881,369,600/38,000,080
  6. Step 6: Final answer
    x = 167,296,855.20

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.