Finding the Third Proportional to 18,623,415 and 40,709,742
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Solution
The third proportional to 18,623,415 and 40,709,742 is: 88,989,215.66
Step by Step Solution
- Step 1: Write the proportion equation
18,623,415 : 40,709,742 = 40,709,742 : x - Step 2: Convert to fraction form
18,623,415/40,709,742 = 40,709,742/x - Step 3: Cross multiply
18,623,415x = 40,709,742 × 40,709,742 - Step 4: Simplify right side
18,623,415x = 1,657,283,093,706,564 - Step 5: Solve for x
x = 1,657,283,093,706,564/18,623,415 - Step 6: Final answer
x = 88,989,215.66
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.