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Finding the Third Proportional to 549,688.50 and 840,880.50

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Solution

The third proportional to 549,688.50 and 840,880.50 is: 1,286,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,688.50 : 840,880.50 = 840,880.50 : x
  2. Step 2: Convert to fraction form
    549,688.50/840,880.50 = 840,880.50/x
  3. Step 3: Cross multiply
    549,688.50x = 840,880.50 × 840,880.50
  4. Step 4: Simplify right side
    549,688.50x = 707,080,015,280.25
  5. Step 5: Solve for x
    x = 707,080,015,280.25/549,688.50
  6. Step 6: Final answer
    x = 1,286,328.56

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.