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Finding the Third Proportional to 630,890,043 and 1,372,872,007

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Solution

The third proportional to 630,890,043 and 1,372,872,007 is: 2,987,489,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,890,043 : 1,372,872,007 = 1,372,872,007 : x
  2. Step 2: Convert to fraction form
    630,890,043/1,372,872,007 = 1,372,872,007/x
  3. Step 3: Cross multiply
    630,890,043x = 1,372,872,007 × 1,372,872,007
  4. Step 4: Simplify right side
    630,890,043x = 1,884,777,547,604,208,128
  5. Step 5: Solve for x
    x = 1,884,777,547,604,208,128/630,890,043
  6. Step 6: Final answer
    x = 2,987,489,767.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.