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Finding the Third Proportional to 690,918 and 1,495,009.50

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Solution

The third proportional to 690,918 and 1,495,009.50 is: 3,234,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,918 : 1,495,009.50 = 1,495,009.50 : x
  2. Step 2: Convert to fraction form
    690,918/1,495,009.50 = 1,495,009.50/x
  3. Step 3: Cross multiply
    690,918x = 1,495,009.50 × 1,495,009.50
  4. Step 4: Simplify right side
    690,918x = 2,235,053,405,090.25
  5. Step 5: Solve for x
    x = 2,235,053,405,090.25/690,918
  6. Step 6: Final answer
    x = 3,234,904.00

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.