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Finding the Third Proportional to 511,523 and 802,465.50

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Solution

The third proportional to 511,523 and 802,465.50 is: 1,258,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,523 : 802,465.50 = 802,465.50 : x
  2. Step 2: Convert to fraction form
    511,523/802,465.50 = 802,465.50/x
  3. Step 3: Cross multiply
    511,523x = 802,465.50 × 802,465.50
  4. Step 4: Simplify right side
    511,523x = 643,950,878,690.25
  5. Step 5: Solve for x
    x = 643,950,878,690.25/511,523
  6. Step 6: Final answer
    x = 1,258,889.39

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.