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Finding the Third Proportional to 3,122,748 and 4,658,221.50

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Solution

The third proportional to 3,122,748 and 4,658,221.50 is: 6,948,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,748 : 4,658,221.50 = 4,658,221.50 : x
  2. Step 2: Convert to fraction form
    3,122,748/4,658,221.50 = 4,658,221.50/x
  3. Step 3: Cross multiply
    3,122,748x = 4,658,221.50 × 4,658,221.50
  4. Step 4: Simplify right side
    3,122,748x = 21,699,027,543,062.25
  5. Step 5: Solve for x
    x = 21,699,027,543,062.25/3,122,748
  6. Step 6: Final answer
    x = 6,948,696.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.