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Finding the Third Proportional to 74,031,520 and 118,220,630

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Solution

The third proportional to 74,031,520 and 118,220,630 is: 188,786,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,031,520 : 118,220,630 = 118,220,630 : x
  2. Step 2: Convert to fraction form
    74,031,520/118,220,630 = 118,220,630/x
  3. Step 3: Cross multiply
    74,031,520x = 118,220,630 × 118,220,630
  4. Step 4: Simplify right side
    74,031,520x = 13,976,117,357,596,900
  5. Step 5: Solve for x
    x = 13,976,117,357,596,900/74,031,520
  6. Step 6: Final answer
    x = 188,786,038.13

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.