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Finding the Third Proportional to 879,888,579 and 1,911,113,321

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Solution

The third proportional to 879,888,579 and 1,911,113,321 is: 4,150,927,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,888,579 : 1,911,113,321 = 1,911,113,321 : x
  2. Step 2: Convert to fraction form
    879,888,579/1,911,113,321 = 1,911,113,321/x
  3. Step 3: Cross multiply
    879,888,579x = 1,911,113,321 × 1,911,113,321
  4. Step 4: Simplify right side
    879,888,579x = 3,652,354,125,703,649,280
  5. Step 5: Solve for x
    x = 3,652,354,125,703,649,280/879,888,579
  6. Step 6: Final answer
    x = 4,150,927,984.38

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.