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Finding the Third Proportional to 1,375,897 and 2,918,303

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Solution

The third proportional to 1,375,897 and 2,918,303 is: 6,189,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,897 : 2,918,303 = 2,918,303 : x
  2. Step 2: Convert to fraction form
    1,375,897/2,918,303 = 2,918,303/x
  3. Step 3: Cross multiply
    1,375,897x = 2,918,303 × 2,918,303
  4. Step 4: Simplify right side
    1,375,897x = 8,516,492,399,809
  5. Step 5: Solve for x
    x = 8,516,492,399,809/1,375,897
  6. Step 6: Final answer
    x = 6,189,774.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.