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Finding the Third Proportional to 19,142,428 and 29,423,152

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Solution

The third proportional to 19,142,428 and 29,423,152 is: 45,225,290.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,428 : 29,423,152 = 29,423,152 : x
  2. Step 2: Convert to fraction form
    19,142,428/29,423,152 = 29,423,152/x
  3. Step 3: Cross multiply
    19,142,428x = 29,423,152 × 29,423,152
  4. Step 4: Simplify right side
    19,142,428x = 865,721,873,615,104
  5. Step 5: Solve for x
    x = 865,721,873,615,104/19,142,428
  6. Step 6: Final answer
    x = 45,225,290.84

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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.