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Finding the Third Proportional to 28,772,256 and 61,638,222

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Solution

The third proportional to 28,772,256 and 61,638,222 is: 132,046,316.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,256 : 61,638,222 = 61,638,222 : x
  2. Step 2: Convert to fraction form
    28,772,256/61,638,222 = 61,638,222/x
  3. Step 3: Cross multiply
    28,772,256x = 61,638,222 × 61,638,222
  4. Step 4: Simplify right side
    28,772,256x = 3,799,270,411,321,284
  5. Step 5: Solve for x
    x = 3,799,270,411,321,284/28,772,256
  6. Step 6: Final answer
    x = 132,046,316.12

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.