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Finding the Third Proportional to 568,428 and 1,215,618

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Solution

The third proportional to 568,428 and 1,215,618 is: 2,599,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,428 : 1,215,618 = 1,215,618 : x
  2. Step 2: Convert to fraction form
    568,428/1,215,618 = 1,215,618/x
  3. Step 3: Cross multiply
    568,428x = 1,215,618 × 1,215,618
  4. Step 4: Simplify right side
    568,428x = 1,477,727,121,924
  5. Step 5: Solve for x
    x = 1,477,727,121,924/568,428
  6. Step 6: Final answer
    x = 2,599,673.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.