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Finding the Third Proportional to 455,655 and 999,066

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Solution

The third proportional to 455,655 and 999,066 is: 2,190,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,655 : 999,066 = 999,066 : x
  2. Step 2: Convert to fraction form
    455,655/999,066 = 999,066/x
  3. Step 3: Cross multiply
    455,655x = 999,066 × 999,066
  4. Step 4: Simplify right side
    455,655x = 998,132,872,356
  5. Step 5: Solve for x
    x = 998,132,872,356/455,655
  6. Step 6: Final answer
    x = 2,190,545.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.