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Finding the Third Proportional to 497,343 and 764,878.50

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Solution

The third proportional to 497,343 and 764,878.50 is: 1,176,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,343 : 764,878.50 = 764,878.50 : x
  2. Step 2: Convert to fraction form
    497,343/764,878.50 = 764,878.50/x
  3. Step 3: Cross multiply
    497,343x = 764,878.50 × 764,878.50
  4. Step 4: Simplify right side
    497,343x = 585,039,119,762.25
  5. Step 5: Solve for x
    x = 585,039,119,762.25/497,343
  6. Step 6: Final answer
    x = 1,176,329.25

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.