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Finding the Third Proportional to 672,618 and 1,121,028

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Solution

The third proportional to 672,618 and 1,121,028 is: 1,868,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,618 : 1,121,028 = 1,121,028 : x
  2. Step 2: Convert to fraction form
    672,618/1,121,028 = 1,121,028/x
  3. Step 3: Cross multiply
    672,618x = 1,121,028 × 1,121,028
  4. Step 4: Simplify right side
    672,618x = 1,256,703,776,784
  5. Step 5: Solve for x
    x = 1,256,703,776,784/672,618
  6. Step 6: Final answer
    x = 1,868,376.67

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.