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Finding the Third Proportional to 287,693.02 and 425,963.81

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Solution

The third proportional to 287,693.02 and 425,963.81 is: 630,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,693.02 : 425,963.81 = 425,963.81 : x
  2. Step 2: Convert to fraction form
    287,693.02/425,963.81 = 425,963.81/x
  3. Step 3: Cross multiply
    287,693.02x = 425,963.81 × 425,963.81
  4. Step 4: Simplify right side
    287,693.02x = 181,445,169,559.54
  5. Step 5: Solve for x
    x = 181,445,169,559.54/287,693.02
  6. Step 6: Final answer
    x = 630,690.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.