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Finding the Third Proportional to 917,642,686 and 1,402,796,800

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Solution

The third proportional to 917,642,686 and 1,402,796,800 is: 2,144,450,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,642,686 : 1,402,796,800 = 1,402,796,800 : x
  2. Step 2: Convert to fraction form
    917,642,686/1,402,796,800 = 1,402,796,800/x
  3. Step 3: Cross multiply
    917,642,686x = 1,402,796,800 × 1,402,796,800
  4. Step 4: Simplify right side
    917,642,686x = 1,967,838,862,090,240,000
  5. Step 5: Solve for x
    x = 1,967,838,862,090,240,000/917,642,686
  6. Step 6: Final answer
    x = 2,144,450,004.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.