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Finding the Third Proportional to 530,260 and 803,106

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Solution

The third proportional to 530,260 and 803,106 is: 1,216,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,260 : 803,106 = 803,106 : x
  2. Step 2: Convert to fraction form
    530,260/803,106 = 803,106/x
  3. Step 3: Cross multiply
    530,260x = 803,106 × 803,106
  4. Step 4: Simplify right side
    530,260x = 644,979,247,236
  5. Step 5: Solve for x
    x = 644,979,247,236/530,260
  6. Step 6: Final answer
    x = 1,216,345.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.