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Finding the Third Proportional to 21,574,046 and 46,349,779

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Solution

The third proportional to 21,574,046 and 46,349,779 is: 99,578,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,574,046 : 46,349,779 = 46,349,779 : x
  2. Step 2: Convert to fraction form
    21,574,046/46,349,779 = 46,349,779/x
  3. Step 3: Cross multiply
    21,574,046x = 46,349,779 × 46,349,779
  4. Step 4: Simplify right side
    21,574,046x = 2,148,302,013,348,841
  5. Step 5: Solve for x
    x = 2,148,302,013,348,841/21,574,046
  6. Step 6: Final answer
    x = 99,578,076.98

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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.