Finding the Third Proportional to 155,421,639 and 340,044,855
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Solution
The third proportional to 155,421,639 and 340,044,855 is: 743,979,436.56
Step by Step Solution
- Step 1: Write the proportion equation
155,421,639 : 340,044,855 = 340,044,855 : x - Step 2: Convert to fraction form
155,421,639/340,044,855 = 340,044,855/x - Step 3: Cross multiply
155,421,639x = 340,044,855 × 340,044,855 - Step 4: Simplify right side
155,421,639x = 115,630,503,411,971,024 - Step 5: Solve for x
x = 115,630,503,411,971,024/155,421,639 - Step 6: Final answer
x = 743,979,436.56
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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.