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Finding the Third Proportional to 699,486 and 1,510,618

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Solution

The third proportional to 699,486 and 1,510,618 is: 3,262,347.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,486 : 1,510,618 = 1,510,618 : x
  2. Step 2: Convert to fraction form
    699,486/1,510,618 = 1,510,618/x
  3. Step 3: Cross multiply
    699,486x = 1,510,618 × 1,510,618
  4. Step 4: Simplify right side
    699,486x = 2,281,966,741,924
  5. Step 5: Solve for x
    x = 2,281,966,741,924/699,486
  6. Step 6: Final answer
    x = 3,262,347.98

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.