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Finding the Third Proportional to 908,730 and 1,425,618

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Solution

The third proportional to 908,730 and 1,425,618 is: 2,236,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,730 : 1,425,618 = 1,425,618 : x
  2. Step 2: Convert to fraction form
    908,730/1,425,618 = 1,425,618/x
  3. Step 3: Cross multiply
    908,730x = 1,425,618 × 1,425,618
  4. Step 4: Simplify right side
    908,730x = 2,032,386,681,924
  5. Step 5: Solve for x
    x = 2,032,386,681,924/908,730
  6. Step 6: Final answer
    x = 2,236,513.25

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.