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Finding the Third Proportional to 307,818 and 462,618

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Solution

The third proportional to 307,818 and 462,618 is: 695,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,818 : 462,618 = 462,618 : x
  2. Step 2: Convert to fraction form
    307,818/462,618 = 462,618/x
  3. Step 3: Cross multiply
    307,818x = 462,618 × 462,618
  4. Step 4: Simplify right side
    307,818x = 214,015,413,924
  5. Step 5: Solve for x
    x = 214,015,413,924/307,818
  6. Step 6: Final answer
    x = 695,266.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.