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Finding the Third Proportional to 21,572,957 and 46,347,681

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Solution

The third proportional to 21,572,957 and 46,347,681 is: 99,574,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572,957 : 46,347,681 = 46,347,681 : x
  2. Step 2: Convert to fraction form
    21,572,957/46,347,681 = 46,347,681/x
  3. Step 3: Cross multiply
    21,572,957x = 46,347,681 × 46,347,681
  4. Step 4: Simplify right side
    21,572,957x = 2,148,107,534,077,761
  5. Step 5: Solve for x
    x = 2,148,107,534,077,761/21,572,957
  6. Step 6: Final answer
    x = 99,574,088.71

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.