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Finding the Third Proportional to 28,742,070 and 43,411,512

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Solution

The third proportional to 28,742,070 and 43,411,512 is: 65,567,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,070 : 43,411,512 = 43,411,512 : x
  2. Step 2: Convert to fraction form
    28,742,070/43,411,512 = 43,411,512/x
  3. Step 3: Cross multiply
    28,742,070x = 43,411,512 × 43,411,512
  4. Step 4: Simplify right side
    28,742,070x = 1,884,559,374,126,144
  5. Step 5: Solve for x
    x = 1,884,559,374,126,144/28,742,070
  6. Step 6: Final answer
    x = 65,567,976.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.