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Finding the Third Proportional to 718,926 and 1,127,685

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Solution

The third proportional to 718,926 and 1,127,685 is: 1,768,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,926 : 1,127,685 = 1,127,685 : x
  2. Step 2: Convert to fraction form
    718,926/1,127,685 = 1,127,685/x
  3. Step 3: Cross multiply
    718,926x = 1,127,685 × 1,127,685
  4. Step 4: Simplify right side
    718,926x = 1,271,673,459,225
  5. Step 5: Solve for x
    x = 1,271,673,459,225/718,926
  6. Step 6: Final answer
    x = 1,768,851.67

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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.