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Finding the Third Proportional to 1,271,036,787 and 2,742,721,590

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Solution

The third proportional to 1,271,036,787 and 2,742,721,590 is: 5,918,413,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,036,787 : 2,742,721,590 = 2,742,721,590 : x
  2. Step 2: Convert to fraction form
    1,271,036,787/2,742,721,590 = 2,742,721,590/x
  3. Step 3: Cross multiply
    1,271,036,787x = 2,742,721,590 × 2,742,721,590
  4. Step 4: Simplify right side
    1,271,036,787x = 7,522,521,720,252,128,256
  5. Step 5: Solve for x
    x = 7,522,521,720,252,128,256/1,271,036,787
  6. Step 6: Final answer
    x = 5,918,413,847.02

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.