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Finding the Third Proportional to 1,121,090 and 1,740,707

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Solution

The third proportional to 1,121,090 and 1,740,707 is: 2,702,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,090 : 1,740,707 = 1,740,707 : x
  2. Step 2: Convert to fraction form
    1,121,090/1,740,707 = 1,740,707/x
  3. Step 3: Cross multiply
    1,121,090x = 1,740,707 × 1,740,707
  4. Step 4: Simplify right side
    1,121,090x = 3,030,060,859,849
  5. Step 5: Solve for x
    x = 3,030,060,859,849/1,121,090
  6. Step 6: Final answer
    x = 2,702,781.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.