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Finding the Third Proportional to 145,356,721 and 223,423,347.50

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Solution

The third proportional to 145,356,721 and 223,423,347.50 is: 343,417,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,356,721 : 223,423,347.50 = 223,423,347.50 : x
  2. Step 2: Convert to fraction form
    145,356,721/223,423,347.50 = 223,423,347.50/x
  3. Step 3: Cross multiply
    145,356,721x = 223,423,347.50 × 223,423,347.50
  4. Step 4: Simplify right side
    145,356,721x = 49,917,992,208,105,760
  5. Step 5: Solve for x
    x = 49,917,992,208,105,760/145,356,721
  6. Step 6: Final answer
    x = 343,417,159.28

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.