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Finding the Third Proportional to 847,528 and 1,256,630

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Solution

The third proportional to 847,528 and 1,256,630 is: 1,863,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,528 : 1,256,630 = 1,256,630 : x
  2. Step 2: Convert to fraction form
    847,528/1,256,630 = 1,256,630/x
  3. Step 3: Cross multiply
    847,528x = 1,256,630 × 1,256,630
  4. Step 4: Simplify right side
    847,528x = 1,579,118,956,900
  5. Step 5: Solve for x
    x = 1,579,118,956,900/847,528
  6. Step 6: Final answer
    x = 1,863,205.65

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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.