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Finding the Third Proportional to 528,029 and 756,669

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Solution

The third proportional to 528,029 and 756,669 is: 1,084,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,029 : 756,669 = 756,669 : x
  2. Step 2: Convert to fraction form
    528,029/756,669 = 756,669/x
  3. Step 3: Cross multiply
    528,029x = 756,669 × 756,669
  4. Step 4: Simplify right side
    528,029x = 572,547,975,561
  5. Step 5: Solve for x
    x = 572,547,975,561/528,029
  6. Step 6: Final answer
    x = 1,084,311.61

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.