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Finding the Third Proportional to 644,980.50 and 1,506,139

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Solution

The third proportional to 644,980.50 and 1,506,139 is: 3,517,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,980.50 : 1,506,139 = 1,506,139 : x
  2. Step 2: Convert to fraction form
    644,980.50/1,506,139 = 1,506,139/x
  3. Step 3: Cross multiply
    644,980.50x = 1,506,139 × 1,506,139
  4. Step 4: Simplify right side
    644,980.50x = 2,268,454,687,321
  5. Step 5: Solve for x
    x = 2,268,454,687,321/644,980.50
  6. Step 6: Final answer
    x = 3,517,090.34

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.