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Finding the Third Proportional to 598,455 and 1,298,640

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Solution

The third proportional to 598,455 and 1,298,640 is: 2,818,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,455 : 1,298,640 = 1,298,640 : x
  2. Step 2: Convert to fraction form
    598,455/1,298,640 = 1,298,640/x
  3. Step 3: Cross multiply
    598,455x = 1,298,640 × 1,298,640
  4. Step 4: Simplify right side
    598,455x = 1,686,465,849,600
  5. Step 5: Solve for x
    x = 1,686,465,849,600/598,455
  6. Step 6: Final answer
    x = 2,818,032.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.