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Finding the Third Proportional to 590,210 and 1,266,442

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Solution

The third proportional to 590,210 and 1,266,442 is: 2,717,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,210 : 1,266,442 = 1,266,442 : x
  2. Step 2: Convert to fraction form
    590,210/1,266,442 = 1,266,442/x
  3. Step 3: Cross multiply
    590,210x = 1,266,442 × 1,266,442
  4. Step 4: Simplify right side
    590,210x = 1,603,875,339,364
  5. Step 5: Solve for x
    x = 1,603,875,339,364/590,210
  6. Step 6: Final answer
    x = 2,717,465.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.