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Finding the Third Proportional to 917,604 and 1,349,630

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Solution

The third proportional to 917,604 and 1,349,630 is: 1,985,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,604 : 1,349,630 = 1,349,630 : x
  2. Step 2: Convert to fraction form
    917,604/1,349,630 = 1,349,630/x
  3. Step 3: Cross multiply
    917,604x = 1,349,630 × 1,349,630
  4. Step 4: Simplify right side
    917,604x = 1,821,501,136,900
  5. Step 5: Solve for x
    x = 1,821,501,136,900/917,604
  6. Step 6: Final answer
    x = 1,985,062.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.