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Finding the Third Proportional to 18,441,748 and 40,596,642

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Solution

The third proportional to 18,441,748 and 40,596,642 is: 89,367,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,748 : 40,596,642 = 40,596,642 : x
  2. Step 2: Convert to fraction form
    18,441,748/40,596,642 = 40,596,642/x
  3. Step 3: Cross multiply
    18,441,748x = 40,596,642 × 40,596,642
  4. Step 4: Simplify right side
    18,441,748x = 1,648,087,341,676,164
  5. Step 5: Solve for x
    x = 1,648,087,341,676,164/18,441,748
  6. Step 6: Final answer
    x = 89,367,197.82

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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.