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Finding the Third Proportional to 28,905,019 and 42,559,111

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Solution

The third proportional to 28,905,019 and 42,559,111 is: 62,663,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,019 : 42,559,111 = 42,559,111 : x
  2. Step 2: Convert to fraction form
    28,905,019/42,559,111 = 42,559,111/x
  3. Step 3: Cross multiply
    28,905,019x = 42,559,111 × 42,559,111
  4. Step 4: Simplify right side
    28,905,019x = 1,811,277,929,110,321
  5. Step 5: Solve for x
    x = 1,811,277,929,110,321/28,905,019
  6. Step 6: Final answer
    x = 62,663,094.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.