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Finding the Third Proportional to 342,457.50 and 545,398.50

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Solution

The third proportional to 342,457.50 and 545,398.50 is: 868,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,457.50 : 545,398.50 = 545,398.50 : x
  2. Step 2: Convert to fraction form
    342,457.50/545,398.50 = 545,398.50/x
  3. Step 3: Cross multiply
    342,457.50x = 545,398.50 × 545,398.50
  4. Step 4: Simplify right side
    342,457.50x = 297,459,523,802.25
  5. Step 5: Solve for x
    x = 297,459,523,802.25/342,457.50
  6. Step 6: Final answer
    x = 868,602.74

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.