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Finding the Third Proportional to 278,038.13 and 607,045.50

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Solution

The third proportional to 278,038.13 and 607,045.50 is: 1,325,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,038.13 : 607,045.50 = 607,045.50 : x
  2. Step 2: Convert to fraction form
    278,038.13/607,045.50 = 607,045.50/x
  3. Step 3: Cross multiply
    278,038.13x = 607,045.50 × 607,045.50
  4. Step 4: Simplify right side
    278,038.13x = 368,504,239,070.25
  5. Step 5: Solve for x
    x = 368,504,239,070.25/278,038.13
  6. Step 6: Final answer
    x = 1,325,373.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.