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Finding the Third Proportional to 404,429,547 and 871,155,789

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Solution

The third proportional to 404,429,547 and 871,155,789 is: 1,876,500,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,429,547 : 871,155,789 = 871,155,789 : x
  2. Step 2: Convert to fraction form
    404,429,547/871,155,789 = 871,155,789/x
  3. Step 3: Cross multiply
    404,429,547x = 871,155,789 × 871,155,789
  4. Step 4: Simplify right side
    404,429,547x = 758,912,408,708,212,480
  5. Step 5: Solve for x
    x = 758,912,408,708,212,480/404,429,547
  6. Step 6: Final answer
    x = 1,876,500,899.45

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.